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What Is Larazotide? The One “Leaky Gut” Peptide That Reached a Phase III Trial

Larazotide (AT-1001) is an eight-amino-acid peptide designed to tighten the gut's molecular seams by antagonising the zonulin pathway. It is the only “leaky gut” molecule with a serious clinical dossier…

Jun 2026 · 9 min read

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